1.1 Carbon-13 Nuclear Magnetic Resonance Spectroscopy (carbon-13 NMR), measures the primary hydroxyl content of ethylene oxide-propylene oxide polyethers used in preparing flexible foa
ASTM
Standard Test Method for Polyurethane Raw Materials: Determination of Primary Hydroxyl Content of Polyether Polyols
STD-80268
2011
2011-04-01
8